/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:20:02,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:20:02,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:20:02,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:20:02,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:20:02,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:20:02,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:20:02,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:20:02,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:20:02,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:20:02,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:20:02,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:20:02,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:20:02,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:20:02,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:20:02,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:20:02,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:20:02,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:20:02,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:20:02,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:20:02,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:20:02,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:20:02,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:20:02,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:20:02,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 05:20:02,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:20:02,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:20:02,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:20:02,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:20:02,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:20:02,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:20:02,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:20:02,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:20:02,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:20:02,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:20:02,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:20:02,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:20:02,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:20:02,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:20:02,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:20:02,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:20:02,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:20:02,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:20:02,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:20:02,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:20:02,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:20:02,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:20:02,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:20:02,818 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:20:02,818 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:20:03,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:20:03,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:20:03,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:20:03,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:20:03,047 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:20:03,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2022-01-11 05:20:03,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02de79b8d/bfee8c4c02da46489ca001012a230159/FLAG953efca8f [2022-01-11 05:20:03,456 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:20:03,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2022-01-11 05:20:03,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02de79b8d/bfee8c4c02da46489ca001012a230159/FLAG953efca8f [2022-01-11 05:20:03,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02de79b8d/bfee8c4c02da46489ca001012a230159 [2022-01-11 05:20:03,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:20:03,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:20:03,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:20:03,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:20:03,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:20:03,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbe191c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03, skipping insertion in model container [2022-01-11 05:20:03,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:20:03,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:20:03,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2022-01-11 05:20:03,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:20:03,625 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:20:03,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2022-01-11 05:20:03,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:20:03,651 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:20:03,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03 WrapperNode [2022-01-11 05:20:03,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:20:03,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:20:03,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:20:03,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:20:03,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,678 INFO L137 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 120 [2022-01-11 05:20:03,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:20:03,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:20:03,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:20:03,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:20:03,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:20:03,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:20:03,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:20:03,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:20:03,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (1/1) ... [2022-01-11 05:20:03,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:20:03,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:20:03,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 05:20:03,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 05:20:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:20:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:20:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 05:20:03,819 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:20:03,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:20:04,059 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:20:04,074 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:20:04,074 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 05:20:04,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:04 BoogieIcfgContainer [2022-01-11 05:20:04,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:20:04,076 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:20:04,076 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:20:04,077 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:20:04,079 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:04" (1/1) ... [2022-01-11 05:20:04,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:20:04 BasicIcfg [2022-01-11 05:20:04,156 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:20:04,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:20:04,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:20:04,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:20:04,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:20:03" (1/4) ... [2022-01-11 05:20:04,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39822937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:20:04, skipping insertion in model container [2022-01-11 05:20:04,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:03" (2/4) ... [2022-01-11 05:20:04,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39822937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:20:04, skipping insertion in model container [2022-01-11 05:20:04,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:04" (3/4) ... [2022-01-11 05:20:04,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39822937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:20:04, skipping insertion in model container [2022-01-11 05:20:04,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:20:04" (4/4) ... [2022-01-11 05:20:04,161 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.iTransformedIcfg [2022-01-11 05:20:04,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:20:04,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 05:20:04,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:20:04,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 05:20:04,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 05:20:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 05:20:04,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:20:04,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:20:04,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:20:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:20:04,217 INFO L85 PathProgramCache]: Analyzing trace with hash -360413590, now seen corresponding path program 1 times [2022-01-11 05:20:04,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:20:04,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550115519] [2022-01-11 05:20:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:20:04,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:20:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:20:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:20:04,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:20:04,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550115519] [2022-01-11 05:20:04,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550115519] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:20:04,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:20:04,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:20:04,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054041346] [2022-01-11 05:20:04,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:20:04,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:20:04,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:20:04,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:20:04,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:04,476 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:20:04,515 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-01-11 05:20:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:20:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-01-11 05:20:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:20:04,522 INFO L225 Difference]: With dead ends: 45 [2022-01-11 05:20:04,523 INFO L226 Difference]: Without dead ends: 28 [2022-01-11 05:20:04,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:04,528 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 12 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:20:04,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 62 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:20:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-01-11 05:20:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-01-11 05:20:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-01-11 05:20:04,557 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 11 [2022-01-11 05:20:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:20:04,557 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-01-11 05:20:04,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-01-11 05:20:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-11 05:20:04,560 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:20:04,560 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:20:04,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:20:04,560 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:20:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:20:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash -156769286, now seen corresponding path program 1 times [2022-01-11 05:20:04,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:20:04,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809676531] [2022-01-11 05:20:04,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:20:04,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:20:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:20:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:20:04,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:20:04,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809676531] [2022-01-11 05:20:04,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809676531] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:20:04,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:20:04,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:20:04,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998903631] [2022-01-11 05:20:04,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:20:04,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:20:04,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:20:04,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:20:04,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:04,698 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:20:04,740 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-01-11 05:20:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:20:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-01-11 05:20:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:20:04,742 INFO L225 Difference]: With dead ends: 55 [2022-01-11 05:20:04,742 INFO L226 Difference]: Without dead ends: 30 [2022-01-11 05:20:04,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:04,744 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:20:04,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:20:04,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-01-11 05:20:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-01-11 05:20:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2022-01-11 05:20:04,748 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 23 [2022-01-11 05:20:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:20:04,748 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2022-01-11 05:20:04,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2022-01-11 05:20:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-11 05:20:04,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:20:04,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:20:04,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:20:04,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:20:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:20:04,750 INFO L85 PathProgramCache]: Analyzing trace with hash -984242567, now seen corresponding path program 1 times [2022-01-11 05:20:04,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:20:04,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998068116] [2022-01-11 05:20:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:20:04,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:20:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:20:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 05:20:04,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:20:04,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998068116] [2022-01-11 05:20:04,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998068116] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:20:04,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:20:04,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-11 05:20:04,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667550095] [2022-01-11 05:20:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:20:04,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 05:20:04,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:20:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 05:20:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-11 05:20:04,919 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:04,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:20:04,998 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-01-11 05:20:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 05:20:04,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-11 05:20:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:20:05,000 INFO L225 Difference]: With dead ends: 39 [2022-01-11 05:20:05,000 INFO L226 Difference]: Without dead ends: 30 [2022-01-11 05:20:05,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:20:05,005 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 59 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:20:05,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 64 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:20:05,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-01-11 05:20:05,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-01-11 05:20:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-01-11 05:20:05,014 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 25 [2022-01-11 05:20:05,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:20:05,014 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-01-11 05:20:05,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-01-11 05:20:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-11 05:20:05,015 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:20:05,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:20:05,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 05:20:05,016 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:20:05,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:20:05,017 INFO L85 PathProgramCache]: Analyzing trace with hash 785226011, now seen corresponding path program 1 times [2022-01-11 05:20:05,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:20:05,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338166203] [2022-01-11 05:20:05,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:20:05,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:20:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:20:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 05:20:05,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:20:05,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338166203] [2022-01-11 05:20:05,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338166203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:20:05,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:20:05,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:20:05,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387382681] [2022-01-11 05:20:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:20:05,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:20:05,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:20:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:20:05,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:05,126 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:20:05,140 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-01-11 05:20:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:20:05,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-11 05:20:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:20:05,142 INFO L225 Difference]: With dead ends: 30 [2022-01-11 05:20:05,142 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 05:20:05,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:20:05,153 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:20:05,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 44 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:20:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 05:20:05,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 05:20:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:05,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 05:20:05,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2022-01-11 05:20:05,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:20:05,157 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 05:20:05,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 05:20:05,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 05:20:05,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 05:20:05,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 05:20:05,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 05:20:05,242 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,242 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,243 INFO L854 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (<= 1 ~freed_tmp_slot~0Int) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,243 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,243 INFO L854 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (and (<= 1 ~freed_tmp_slot~0Int) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2022-01-11 05:20:05,244 INFO L854 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) (= (+ ~used_tmp_slot~0Int (- 1)) 0)) (<= 1 ~freed_tmp_slot~0Int)) [2022-01-11 05:20:05,244 INFO L854 garLoopResultBuilder]: At program point L-1-5(line -1) the Hoare annotation is: (and (<= 1 ~freed_tmp_slot~0Int) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,244 INFO L854 garLoopResultBuilder]: At program point L132(lines 72 133) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) (= (+ ~used_tmp_slot~0Int (- 1)) 0)) (<= 1 ~freed_tmp_slot~0Int)) [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2022-01-11 05:20:05,244 INFO L854 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (and (<= 1 ~freed_tmp_slot~0Int) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 139) no Hoare annotation was computed. [2022-01-11 05:20:05,244 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L854 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 9) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L858 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2022-01-11 05:20:05,245 INFO L854 garLoopResultBuilder]: At program point L48-2(line 48) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,246 INFO L854 garLoopResultBuilder]: At program point L57(lines 56 58) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0))) [2022-01-11 05:20:05,246 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 107) no Hoare annotation was computed. [2022-01-11 05:20:05,246 INFO L854 garLoopResultBuilder]: At program point L122(lines 72 133) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) (= (+ ~used_tmp_slot~0Int (- 1)) 0)) [2022-01-11 05:20:05,246 INFO L854 garLoopResultBuilder]: At program point L64(lines 62 65) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) (= (+ ~used_tmp_slot~0Int (- 1)) 0)) [2022-01-11 05:20:05,246 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2022-01-11 05:20:05,246 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-01-11 05:20:05,246 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2022-01-11 05:20:05,246 INFO L854 garLoopResultBuilder]: At program point L69(lines 67 70) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.baseInt|) (<= 1 |ULTIMATE.start_ULTIMATE.start_kzalloc_#res#1.baseInt|) (not (<= |ULTIMATE.start_ULTIMATE.start_kzalloc_#t~malloc4#1.baseInt| 0)) (= (+ ~used_tmp_slot~0Int (- 1)) 0)) [2022-01-11 05:20:05,247 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2022-01-11 05:20:05,250 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-11 05:20:05,253 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:20:05,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:20:05 BasicIcfg [2022-01-11 05:20:05,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:20:05,287 INFO L158 Benchmark]: Toolchain (without parser) took 1809.77ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 139.8MB in the beginning and 201.8MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:20:05,287 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:20:05,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.33ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 163.8MB in the end (delta: -24.3MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-01-11 05:20:05,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.36ms. Allocated memory is still 188.7MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:20:05,288 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 188.7MB. Free memory was 161.7MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:20:05,288 INFO L158 Benchmark]: RCFGBuilder took 374.38ms. Allocated memory is still 188.7MB. Free memory was 160.1MB in the beginning and 145.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-11 05:20:05,288 INFO L158 Benchmark]: IcfgTransformer took 79.95ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 138.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-11 05:20:05,289 INFO L158 Benchmark]: TraceAbstraction took 1130.10ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 138.1MB in the beginning and 201.8MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:20:05,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 173.33ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 163.8MB in the end (delta: -24.3MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.36ms. Allocated memory is still 188.7MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 188.7MB. Free memory was 161.7MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.38ms. Allocated memory is still 188.7MB. Free memory was 160.1MB in the beginning and 145.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * IcfgTransformer took 79.95ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 138.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1130.10ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 138.1MB in the beginning and 201.8MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 225 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 123 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 27 NumberOfFragments, 149 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ~bvule64(1bv64, \result) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, freed_tmp_slot) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, freed_tmp_slot) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((~bvule64(1bv64, \result) && 0bv33 == ~bvadd32(~zero_extendFrom8To32(used_tmp_slot), 8589934591bv33)) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, freed_tmp_slot) || (((~bvule64(1bv64, \result) && 0bv33 == ~bvadd32(~zero_extendFrom8To32(used_tmp_slot), 8589934591bv33)) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((~bvule64(1bv64, \result) && 0bv33 == ~bvadd32(~zero_extendFrom8To32(used_tmp_slot), 8589934591bv33)) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (~bvule64(1bv64, \result) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((~bvule64(1bv64, \result) && 0bv33 == ~bvadd32(~zero_extendFrom8To32(used_tmp_slot), 8589934591bv33)) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, freed_tmp_slot) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, freed_tmp_slot) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, freed_tmp_slot) || (((~bvule64(1bv64, \result) && 0bv33 == ~bvadd32(~zero_extendFrom8To32(used_tmp_slot), 8589934591bv33)) && ~bvule64(1bv64, \result)) && !~bvule64(calloc(1, size), 0bv64)) RESULT: Ultimate proved your program to be correct! [2022-01-11 05:20:05,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...